Overview

overview

10

Static

static

10

76741721ae...82.elf

ubuntu-20.04-amd64

10

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General

  • Target

    76741721aede86e5d9a78da5dd349cc7f418a993eba77457c00b27aa627f9882.elf

  • Size

    549KB

  • Sample

    240324-cw99xabb4s

  • MD5

    455b46bf3f93b8853137de2b99ef0f4c

  • SHA1

    99387d92aee1ad50c8af0a5192f651ad8021d1d4

  • SHA256

    76741721aede86e5d9a78da5dd349cc7f418a993eba77457c00b27aa627f9882

  • SHA512

    a43cc62e55da2d23f2f57bffc3e2f3e406e41b0e1ba24b38d274a12e25d87d005f89f03e98c4fbf91622b75a4009c38033ea9d74316696469d26f9ea3a3237fa

  • SSDEEP

    12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmx6:VIv/qiVNHNDEfJKHZ8mG9QeeO6

Score
10/10
xorddosbotnetdownloaderlinuxpersistence

Malware Config

Extracted

Family

xorddos

C2

bb.markerbio.com:13307

bb.myserv012.com:13307

http://qq.com/lib.asp
Attributes
  • crc_polynomial

    CDB88320

xor.plain

Targets

    • Target

      76741721aede86e5d9a78da5dd349cc7f418a993eba77457c00b27aa627f9882.elf

    • Size

      549KB

    • MD5

      455b46bf3f93b8853137de2b99ef0f4c

    • SHA1

      99387d92aee1ad50c8af0a5192f651ad8021d1d4

    • SHA256

      76741721aede86e5d9a78da5dd349cc7f418a993eba77457c00b27aa627f9882

    • SHA512

      a43cc62e55da2d23f2f57bffc3e2f3e406e41b0e1ba24b38d274a12e25d87d005f89f03e98c4fbf91622b75a4009c38033ea9d74316696469d26f9ea3a3237fa

    • SSDEEP

      12288:VeRvuKqiVZ4En5drNK0pPEfJKlHZ8mG97Qxee6yzmx6:VIv/qiVNHNDEfJKHZ8mG9QeeO6

    Score
    10/10
    xorddosbotnetdownloaderpersistence

    • XorDDoS

      Botnet and downloader malware targeting Linux-based operating systems and IoT devices.

      botnetdownloaderxorddos

    • XorDDoS payload

    • Deletes itself

    • Executes dropped EXE

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

      persistence

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

      persistence

    • Write file to user bin folder

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Privilege Escalation

Scheduled Task/Job

1
T1053

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Defense Evasion

Hijack Execution Flow

1
T1574

Credential Access

Discovery

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks